package controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import util.Page;

import java.util.List;


@Controller
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
    @RequestMapping("/toadd")
    public String toAdd(){
        return "user/add";
    }


    @RequestMapping("/show")
    public String show(){
        return "index";
    }

    @RequestMapping("/login")
    public String login(User user){
        boolean flag=userService.login(user);
        if(flag){
            return "index";
        } else {
            return "login";
        }

    }

    @RequestMapping("/toregist")
    public String toRegist(){
        return "regist";
    }

    @RequestMapping("/checkUserNameUnique")
    @ResponseBody
    public String checkUserNameUnique(@RequestParam("name") String name){
        int count =userService.findUserByName(name);
        if(count>0){
            return "true";
        }else {
            return "false";
        }
    }
    @RequestMapping("/list/{currentPage}")
    public String findAll(User user,@PathVariable("currentPage")int currentPage, Model model){
        Page page=new Page();
        page.setCurrentPage(currentPage);
        //查询总记录数
        int totalCount=userService.count(user);
        page.setTotalCount(totalCount);
        page.setTotalPage();
        //
        int offset=(currentPage-1)*page.getPageSize();
        List<User> users = userService.findAll(user,offset,page.getPageSize());
        model.addAttribute("users", users);
        model.addAttribute("page", page);
        model.addAttribute("user", user);
        return "user/list";
    }

    @RequestMapping("/addSave")
    public String addUser(User user){
        int result = userService.addUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }

    }
    @RequestMapping("/delete/{id}")
    public String deleteUser(@PathVariable("id") int id){
        int result = userService.deleteUser(id);
        if(result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }
    }
    @RequestMapping("toupdate/{id}")
    public String toUpdate(@PathVariable("id")int id, Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user", user);
        return "user/update";
    }
    @RequestMapping("updateSave")
    public String updateUser(User user){
        int result =userService.updateUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }else {
        return "error";
        }
    }
}

